The Round Diamond Tennis Necklace features beautiful diamonds that are set in 14k white gold that have a diameter of 3.1mm. Available in both 18 and 20-inch lengths! Carat | 16.50-17.75 ctwClarity | VSColor | G-HCut | Round Brilliant Note: In-stock products ship same-day or next-day depending on the time of your order. For made-to-order items please allow up to 1-3 weeks to ship your newest piece of fine jewelry.